Is the relation a function if the relation is not a function state why not

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Wrote and expression for the difference of p and 4